How do diesel-powered cars work?
They basically work pretty much the same as a conventional car, but the main difference is that an engine powered by diesel fuel is 25 to 30 percent more efficient. That’s because diesel fuel has a higher energy content than gasoline, which results in 25 to 30 percent higher fuel mileage. Q: How much more expensive is a diesel-powered car to a comparable conventional one? A: For instance, the Mercedes E Class diesel costs just a thousand dollars more than the nearest gasoline E Class. Q: What are the disadvantages of diesel-powered cars? A: Diesel exhaust is dirtier than gasoline. It has nitrous oxides and diesel particulate matter — basically soot. But diesel fuel is much cleaner than it used to be because we have low sulfur diesel instead. In addition, we now have exhaust treatment systems that get rid of most of the nitrous oxide and particulate matter. Q: So what type of consumer would be most likely to benefit from a diesel-powered car or truck? A: Diesel would be best for people